Support Request: Buildcraft not working with iron and electro and induction furnaces

    Whenever tin ores, copper ores, etc. get pumped into iron, electro and/or induction furnaces via buildcraft cobble pipes, it just pumps into the furnace then gets pumped back out without it being smelted while their is coal in it.

    Have you tried feeding the ore/dust in from the top and sucking the result out of the side? Fuel goes in the bottom.